How to Compile Net Framework 1.1 using VS 2005

I have an ACT add-on which needs to be compiled using Net Framework 1.1, however, I only have VS 2005. I've searched for VS 2003, but it is not available anywhere in order to purchase. My question, is there away to compile my code using VS 2005, to utilized the Net Framework 1.1. The code has been compile in Net 2.0, which is ACT v9 and v10. But, the majority of my user are ACT v8. Can someone give me instructions on how to make this happen?